Supply chain financial management method and platform server based on Internet of Things and block chain

The invention discloses a supply chain financial management method based on the Internet of Things and a block chain and a platform server, and relates to the technical field of supply chains, and the method comprises the steps: confirming the product information of a supplier client entering a platform through a supervision department client, and storing the product information in the block chain; evaluating the yield of the supplier according to the product information and starting presale; financing is carried out on a financial institution and a bank client according to a product pre-purchase demand of a consumer client, and financing data is stored in a block chain; receiving product real-time information collected by the supplier client, the storage company client and the logistics company client through the Internet of Things equipment, and storing the product real-time information in the block chain; and receiving the remaining tail money delivered by the consumer client, and writing the tail money in